#include <bits/stdc++.h>
using namespace std;

int a[100][150];
int main() {
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= 2 * n - 2 * i + 1; j++)
      cout << " ";

    for (int j = 1; j <= i; j++) {
      cout << "/\\  ";
    }
    cout << endl;
    for (int j = 1; j <= 2 * n - 2 * i; j++)
      cout << " ";

    for (int j = 1; j <= i; j++) {
      cout << "/__\\";
    }
    cout << endl;
  }

  return 0;
}
